Sukuna does die in the manga. The way it happens is quite dramatic and ties in with many other elements of the story, adding depth and tension to the overall narrative.
Well, first think about the purpose of the markings. Are they for identification, magical powers, or something else? Then, draw inspiration from real-world cultures and combine different elements to make them truly fictional. Also, consider the colors and shapes that would add to their appeal and mystery.
The markings on huskies are mainly determined by their genetics. Different combinations of genes control the color and pattern of their fur. It's a fascinating aspect of their evolution and breed characteristics.
Nope. Ryomen Sukuna has no basis in reality. It's a product of the creative minds of the writers and illustrators who designed a captivating fictional character for the enjoyment of the audience.
I'm not entirely sure as it could be very specific to the creator's ideas. It might be about a character named Fenris experiencing pain related to some sort of markings in the context of a fan - made fictional story.